On September 4, Sr. Caterina and Sr. Confida of the Boston community of the Congregation of Our Lady of Mercy will travel with the message of Mercy and the relics of St. Faustina to see more than 5,000 Vietnamese pilgrims who they will meet at the national shrine and Basilica of Our Lady of Fatima in the town of Youngstown, New York, near the Niagara waterfalls.